tip

It wasn't a mistake. When Chrisi looked at the completed receipt from a first-time customer and noticed that he had added $1,000 to the total bill of $14.01, she assumed something was wrong. She asked why. His answer was very unexpected.

The rules of tipping in restaurants vary among nations and culture. In the United States, 15 percent is considered customary for average service.However, a new ’60 Minutes’/Vanity Fair Poll 990 American adults has found that a good chunk of diners typically …